Bad Münder (also: Bad Münder am Deister; West Low German: Bad Münner) is a town in the Hamelin-Pyrmont district, Lower Saxony, Germany.

It is on the south side of the Deister hills in the Deister-Süntel valley, about 15 kilometres (9.3 mi) northeast of Hamelin.

The city with 16 districts has about 17,400 inhabitants (2020).

The district Bad Münder is the administrative centre with about 8,000 inhabitants.

This Hamelin-Pyrmont location article is a stub.